Re: Using empty_string as the only "" string

[David Kastrup]

Andreas Schwab <address@hidden> writes:

> Kenichi Handa <address@hidden> writes:
>
>> In article <address@hidden>, Andreas Schwab <address@hidden> writes:
>>
>>> Since you can't modify the empty string there is no contradiction.
>>
>> You can modify the multibyteness of an empty string,
>
> Good point, that makes the optimisation indeed invalid.

How can one modify the multibyteness of any string object?  As far as
I can see, one can only create copies with a different multibicity.

-- 
David Kastrup